Patents by Inventor Mario Maranca

Mario Maranca has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for spinning and crimping a multifilament yarn
    Patent number: 6378180
    Abstract: The invention relates to a method and an apparatus for spinning and crimping a multifilament yarn, and wherein a thermoplastic melt is extruded through a spinneret to form a filament bundle. The filament bundle is divided into a plurality of bundle components before being crimped. Each bundle component is separately crimped and combined to a multifilament yarn after being crimped. The yarn is subsequently wound to a package.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: April 30, 2002
    Assignee: Barmag AG
    Inventors: Mario Maranca, Frank Bäcker, Hans-Rochus Gross
  • Method and apparatus for spinning and crimping a multifilament yarn
    Publication number: 20010038159
    Abstract: The invention relates to a method and an apparatus for spinning and crimping a multifilament yarn, and wherein a thermoplastic melt is extruded through a spinneret to form a filament bundle. The filament bundle is divided into a plurality of bundle components before being crimped. Each bundle component is separately crimped and combined to a multifilament yarn after being crimped. The yarn is subsequently wound to a package.
    Type: Application
    Filed: April 11, 2001
    Publication date: November 8, 2001
    Applicant: METHOD AND APPARATUS FOR SPINNING AND CRIMPING A MULTIFILAMENT YARN
    Inventors: Mario Maranca, Frank Backer, Hans-Rochus Gross